infantilize

[ in-fuh n-tl-ahyz, -tahy-lahyz, in-fan-tl-ahyz ]
/ ˈɪn fən tlˌaɪz, -taɪˌlaɪz, ɪnˈfæn tlˌaɪz /
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verb (used with object), in·fan·til·ized, in·fan·til·iz·ing.

to keep in or reduce to an infantile state.
to treat or regard as infantile or immature.
Also especially British, in·fan·til·ise.

Origin of infantilize

1940–45; infantile + -ize, or by back formation from infantilization
Related formsin·fan·til·i·za·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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